The earthquake will come at any time. It is essential______for that.

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问题 The earthquake will come at any time. It is essential______for that.

选项 A、for us to be prepared
B、that we are prepared
C、of us to be prepared
D、our being prepared

答案A

解析固定用法题。it is adj．+for sb．to do sth．为固定句型，be prepared表示“准备好的”。B应该用虚拟语气should+do的形式，故排除；C选项it is adj．+of sb．to do sth．中，adj．表示sb．的性格、品质；没有D选项这种表达。

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专业英语四级

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